| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.60 | -0.03 |
| Feb | 0.62 | 0.66 | -0.04 |
| Mar | 1.19 | 1.44 | -0.25 |
| Apr | 2.14 | 2.23 | -0.09 |
| May | 2.47 | 2.55 | -0.08 |
| Jun | 2.03 | 2.25 | -0.22 |
| Jul | 2.79 | 2.93 | -0.14 |
| Aug | 2.39 | 2.56 | -0.17 |
| Sep | 1.31 | 1.51 | -0.20 |
| Oct | 0.97 | 1.16 | -0.19 |
| Nov | 0.66 | 0.78 | -0.12 |
| Dec | 0.60 | 0.71 | -0.11 |
17.74 | 19.38 | -1.64 |